The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to Calgary International Airport (YYC) in Calgary, Canada is 11,368 kilometers (7,064 miles / 6,138 nautical miles). The estimated flight time for this route is approximately 14h, flying northwest at a heading of 321°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting SH with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:06 in Ascension Island, it's 17:06 in Calgary. With a 6-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 3,279 feet between the two airports. Calgary International Airport sits higher than RAF Ascension Island.

The return flight from Calgary (YYC) to Ascension Island (ASI) follows a heading of 88° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the RAF Ascension Island (ASI) and Calgary International Airport (YYC) detail pages, or use our flight duration calculator to compare other routes.